Issues with viruses.... try the following..

download AVG and avast ...
install AVG and run 3 scans....
install Avast and run 3 scans....

by using the combo ive nuked 3 this week....

then remove avast from your machine and things should be ok.

If you system is so screwed that you have issues with the above try a system restore, but doing these steps....

Felix... Home